Perimeter Solutions, Inc. (PRM) Institutional Shareholders
Perimeter Solutions, Inc. (PRM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.66B in PRM holdings during the latest filing period.
Windacre Partnership Llc is currently the largest disclosed institutional shareholder of PRM tracked by InsiderSet, reporting ownership valued at approximately $575.70M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $519.66M, representing an estimated loss of -9.73% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed PRM value among the investors covered in this analysis. Major shareholders include Windacre Partnership Llc, Principal Financial Group Inc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in Perimeter Solutions, Inc. (PRM).
This page ranks the largest institutional PRM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
292
Total Reported Value
$4.66B
Largest Holder
Windacre Partnership Llc
Largest Position
$575.70M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
58
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Windacre Partnership Llc | 5.69% | 16,148,621 | $575,698,339 | $519,662,624 | -$56,035,715 | -9.73% | |
| Principal Financial Group Inc | 0.25% | 14,007,326 | $499,362,217 | $450,755,751 | -$48,606,466 | -9.73% | |
| Blackrock, Inc. | 0.01% | 12,170,113 | $433,864,530 | $391,634,236 | -$42,230,294 | -9.73% | |
| Fmr Llc | 0.01% | 9,602,473 | $342,328,157 | $309,007,581 | -$33,320,576 | -9.73% | |
| Vanguard Capital Management Llc | 0.01% | 6,587,147 | $234,831,791 | $211,974,390 | -$22,857,401 | -9.73% | |
| Dimensional Fund Advisors Lp | 0.03% | 4,315,745 | $153,821,215 | $138,880,674 | -$14,940,541 | -9.71% | |
| Geode Capital Management, Llc | 0.01% | 4,230,528 | $150,845,240 | $136,138,391 | -$14,706,849 | -9.75% | |
| State Street Corp | 0.00% | 3,611,344 | $128,744,414 | $116,213,050 | -$12,531,364 | -9.73% | |
| Jpmorgan Chase & Co | 0.01% | 3,138,584 | $102,932,190 | $100,999,633 | -$1,932,557 | -1.88% | |
| Janus Henderson Group Plc | 0.05% | 4,007,536 | $97,863,083 | $128,962,508 | +$31,099,425 | +31.78% | |
| Balance Capital Partners L.P. | 70.00% | 2,735,521 | $97,521,324 | $88,029,066 | -$9,492,258 | -9.73% | |
| Invesco Ltd. | 0.01% | 2,445,056 | $87,166,249 | $78,681,902 | -$8,484,347 | -9.73% | |
| Brown Brothers Harriman & Co | 0.38% | 2,403,457 | $85,683,242 | $77,343,246 | -$8,339,996 | -9.73% | |
| Price T Rowe Associates Inc | 0.01% | 2,052,289 | $73,165,000 | $66,042,660 | -$7,122,340 | -9.73% | |
| Neuberger Berman Group Llc | 0.04% | 1,815,703 | $64,729,812 | $58,429,323 | -$6,300,489 | -9.73% | |
| Senator Investment Group Lp | 2.34% | 1,795,000 | $63,991,750 | $57,763,100 | -$6,228,650 | -9.73% | |
| Morgan Stanley | 0.00% | 1,742,451 | $62,118,428 | $56,072,073 | -$6,046,355 | -9.73% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,705,999 | $60,818,864 | $54,899,048 | -$5,919,816 | -9.73% | |
| Bank Of America Corp | 0.00% | 1,593,233 | $56,798,757 | $51,270,238 | -$5,528,519 | -9.73% | |
| Qube Research & Technologies Ltd | 0.06% | 1,539,968 | $54,899,859 | $49,556,170 | -$5,343,689 | -9.73% | |
| Primecap Management Co/Ca/ | 0.03% | 1,496,851 | $53,362,739 | $48,168,665 | -$5,194,074 | -9.73% | |
| Northern Trust Corp | 0.01% | 1,487,785 | $53,039,535 | $47,876,921 | -$5,162,614 | -9.73% | |
| Driehaus Capital Management Llc | 0.27% | 1,327,763 | $47,334,751 | $42,727,413 | -$4,607,338 | -9.73% | |
| Focus Partners Wealth | 0.05% | 1,320,613 | $47,079,855 | $42,497,326 | -$4,582,529 | -9.73% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,316,589 | $46,936,398 | $42,367,834 | -$4,568,564 | -9.73% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 1,238,374 | $44,148,033 | $39,850,875 | -$4,297,158 | -9.73% | |
| Corient Private Wealth Llc | 0.06% | 1,183,896 | $42,205,897 | $38,097,773 | -$4,108,124 | -9.73% | |
| Vanguard Fiduciary Trust Co | 0.01% | 1,100,108 | $39,218,850 | $35,401,475 | -$3,817,375 | -9.73% | |
| East Coast Asset Management, Llc. | 11.48% | 1,090,264 | $38,867,894 | $35,084,696 | -$3,783,198 | -9.73% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 1,039,513 | $37,059,000 | $33,451,528 | -$3,607,472 | -9.73% | |
| Bessemer Group Inc | 0.04% | 888,668 | $31,680,000 | $28,597,336 | -$3,082,664 | -9.73% | |
| Credit Agricole S A | 0.07% | 720,448 | $25,683,971 | $23,184,017 | -$2,499,954 | -9.73% | |
| Pennant Investors, Lp | 7.33% | 689,000 | $24,562,850 | $22,172,020 | -$2,390,830 | -9.73% | |
| Envestnet Asset Management Inc | 0.01% | 658,988 | $23,492,904 | $21,206,234 | -$2,286,670 | -9.73% | |
| Wellington Management Group Llp | 0.00% | 621,669 | $22,162,500 | $20,005,308 | -$2,157,192 | -9.73% | |
| Catawba River Capital | 9.48% | 594,278 | $21,186,037 | $19,123,866 | -$2,062,171 | -9.73% | |
| Wells Fargo & Company/Mn | 0.00% | 572,874 | $20,422,940 | $18,435,085 | -$1,987,855 | -9.73% | |
| Goldman Sachs Group Inc | 0.00% | 549,371 | $19,585,075 | $17,678,759 | -$1,906,316 | -9.73% | |
| Conestoga Capital Advisors, Llc | 0.42% | 535,965 | $19,107,152 | $17,247,354 | -$1,859,798 | -9.73% | |
| Raymond James Financial Inc | 0.01% | 518,963 | $18,501,012 | $16,700,229 | -$1,800,783 | -9.73% | |
| Bank Of New York Mellon Corp | 0.00% | 511,468 | $18,233,848 | $16,459,040 | -$1,774,808 | -9.73% | |
| Fred Alger Management, Llc | 0.06% | 502,835 | $17,926,068 | $16,181,230 | -$1,744,838 | -9.73% | |
| Aqr Capital Management Llc | 0.01% | 490,364 | $17,481,478 | $15,779,914 | -$1,701,564 | -9.73% | |
| Nuveen, Llc | 0.00% | 477,774 | $17,032,643 | $15,374,767 | -$1,657,876 | -9.73% | |
| Norges Bank | 0.00% | 472,135 | $16,831,613 | $15,193,304 | -$1,638,309 | -9.73% | |
| Weitz Investment Management, Inc. | 1.11% | 450,817 | $16,071,626 | $14,507,291 | -$1,564,335 | -9.73% | |
| Nordea Investment Management Ab | 0.01% | 463,483 | $15,679,630 | $14,914,883 | -$764,747 | -4.88% | |
| Lynwood Price Capital Management Lp | 7.37% | 428,125 | $15,262,656 | $13,777,063 | -$1,485,594 | -9.73% | |
| Silvercrest Asset Management Group Llc | 0.09% | 404,282 | $14,412,653 | $13,009,795 | -$1,402,858 | -9.73% | |
| Ieq Capital, Llc | 0.06% | 371,588 | $13,247,112 | $11,957,702 | -$1,289,410 | -9.73% |
Frequently asked questions about PRM
Who owns the most PRM stock?
The largest holders of PRM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Perimeter Solutions, Inc. (PRM).
Is PRM widely held by superinvestors?
Many widely followed stocks like PRM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PRM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.